BGP both ibgp and ebgp through Node and Sublocalnode INHERENT indonesia

The Border Gateway Protocol (BGP) is the protocol backing the core routing decisions on the Internet. It maintains a table of IP networks or ‘prefixes’ which designate network reachability among autonomous systems (AS). It is described as a path vector protocol. BGP does not use traditional Interior Gateway Protocol (IGP) metrics, but makes routing decisions based on path, network policies and/or rulesets. For this reason, it is more appropriately termed a reachability protocol rather than routing protocol.

BGP was created to replace the Exterior Gateway Protocol (EGP) routing protocol to allow fully decentralized routing in order to allow the removal of the NSFNetInternet backbone network. This allowed the Internet to become a truly decentralized system. Since 1994, version four of the BGP has been in use on the Internet. All previous versions are now obsolete. The major enhancement in version 4 was support of Classless Inter-Domain Routing and use of route aggregation to decrease the size of routing tables. Since January 2006, version 4 is codified in RFC 4271, which went through more than 20 drafts based on the earlier RFC 1771 version 4. RFC 4271 version corrected a number of errors, clarified ambiguities and brought the RFC much closer to industry practices.When BGP is running inside an autonomous system (AS), it is referred to as Internal BGP (IBGP or Interior Border Gateway Protocol). When it runs between autonomous systems, it is called External BGP (EBGP or Exterior Border Gateway Protocol). Routers on the boundary of one AS exchanging information with another AS are called border or edge routers. In the Cisco operating system, IBGP routes have an administrative distance of 200, which is less preferred than either external BGP or any interior routing protocol. Other router implementations also prefer EBGP to IGPs, and IGPs to IBGP,

From Wikipedia, the free encyclopedia

University Of Lampung as one of maintainer Network INHERENT area Lampung had already implemented this BGP protocol through the neighbor border router and subnode as a partner. We have two external border partner in difference province connected using metro-ethernet technology by PT Telekomunikasi Indonesia that is (UNSRI- Palembang) and (UNJA Jambi).

And also there 11 partner already joint to Area Lampung as a Localnode, several metode for routing protocol are used;

1. Static Route (mainly use).

2. Dynamic with ospf (failed run on metro-e, until now i don’t now why 😦

3. BGP (using ebgp).

FYI to whom it may concern, i will share for existing topology and logic connection on our CISCO 7606 series.

as you imagine that, all of partner using Fibre Optic as media network, here is the logic configuration